Champagne flute



FIG. 1 is a perspective view of a champagne flute showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines in the drawings represent portions of the champagne flute that form no part of the claimed design. 

CLAIM The ornamental design for a champagne flute, as shown and described. 